How to identify your smartphone
From the Home screen, select the Options icon. Depending on your device, select either About, or Device and then About Device Versions to find your smartphone model.
Or
If your smartphone cannot be powered on, remove the battery to reveal the BlackBerry model number printed on the label underneath.
Select your operating system
How to find out your smartphone's operating system
Select Options on the home screen (the wrench icon). Depending on your device operating system, select Device, then About Device Versions or select About.
On some BlackBerry models, you may need to select Settings before getting to Options.
The third line on the screen that comes up will start with a āvā, followed by the software version. For example, āv.4.5.0.37ā is OS version 4.5 and build 37.